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7790-2 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The CYLINDER HEAD,DIESEL ENGINE is a the manufacturer industrial component. Key specifications include engine_design_control_activity: 62080, engine_model_number_for_which_designed: BSD444 268 CID. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-220-9483, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
7790-2
NSN: 6685-00-220-9483
FSC: 6685
CAGE: 01496 — AIR DRY CO OF AMERICA, LLC (USA)
SPECIFICATIONS
engine_design_control_activity62080
engine_model_number_for_which_designedBSD444 268 CID
NSN6685-00-220-9483
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CYLINDER HEAD,DIESEL ENGINE TITLE COMPONENT PN 7790-2 MFR CYLINDER HEAD,DIESEL E
KEY FEATURES
•
NOMINAL THREAD SIZE: 0.250 INCHES SINGLE END IN
•
THREAD SERIES DESIGNATOR: NPT SINGLE END
•
THREAD DIRECTION: RIGHT-HAND SINGLE END
•
THREAD QUANTITY PER INCH: 18 SINGLE END
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.250 INCHES SINGLE END IN
OVERALL LENGTH5.688 INCHES NOMINAL IN
THREAD SERIES DESIGNATORNPT SINGLE END
THREAD DIRECTIONRIGHT-HAND SINGLE END
THREAD QUANTITY PER INCH18 SINGLE END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
102152Interchangeable
interchangeable cross-reference
interchangeable
FFS111STYLE2SInterchangeable
interchangeable cross-reference
interchangeable
0684-1521Interchangeable
interchangeable cross-reference
interchangeable
1-246-477-00Interchangeable
interchangeable cross-reference
interchangeable
N400-512-067Interchangeable
interchangeable cross-reference
interchangeable
77902Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7790-2?
7790-2 is a CYLINDER HEAD,DIESEL ENGINE.
What parts can replace 7790-2?
There are 9 known substitutes for 7790-2: 102152, FFS111STYLE2S, 0684-1521 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7790-2?
7790-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-220-9483. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026